When things happen or change, energy is involved. Energy is absract; you can not see or feel energy- you can only see its effects. Movement, emission of light, sound or heat and changes to the shape of objects are all evience that energy is acting. We use electrical energy to do things for us!
When things happen or change, energy is involved. Energy is absract; you can not see or feel energy- you can only see its effects. Movement, emission of light, sound or heat and changes to the shape of objects are all evience that energy is acting. We use electrical energy to do things for us!